Hypotension

• Hospital Erasme — Brussels, Belgium
• Dept. of Nephrology and Dialysis Centre Pasteur Vallery Radat — Paris, France
• Civil Hospital Bretagne Atlantique — Vannes, France
• Clinic of Internal Medicine — Rostock, Germany

• John Radcliffe Hospital — Oxford, Oxfordshire, United Kingdom

• Barnes-Jewish Hospital — St Louis, Missouri, United States

• Mount Sinai Hospital — Toronto, Ontario, Canada

• Department of Nephrology and Hypertension, University Hospital of Berne — Bern, Canton of Bern, Switzerland

• Hospital São Paulo — São Paulo, Brazil

• University and Hospital of Parma (Azienda Ospedaliero-Universitaria di Parma) — Parma, PR, Italy

Not specified

Not specified

• Hospital "Santa Maria della Scaletta" — Imola, Bologna, Italy
• Hospital "Nuovo Ronco" — Gussago, Brescia, Italy
• Hospital "Policlinico S.Orsola-Malpighi" — Bologna, Italy
• Hospital "Spedali Civili" — Brescia, Italy